Balancing-machine.



N. G. BASSETT. BALANGINGMAGHINE.

APPLICATION IILBD JAN.19, 1907.

Patented June 1, 1909;

INVENTOR WITNESSES: M 7

I 25 tion.

collar 6, and upon this NORMAN c. BASSETT, or MILWAUKEE,

WISOONSI'N,--AS SIGNGE TQFA-ISLIS-GHALMERS COM- PANY, or MILWAUKEE, Wisconsin; A oonronaricapr nnw nnsnv.

BALANCING-MA CHINE Specification of Letters Patent.

Batented June 1, 1909.

Application filed January 19, 1907. Serial No. 853,033.

To all whom-it may concern:

Be it knownthat I, NORMAN O. Biissnrr, a citizen of the Milwaukee, in the county of Milwaukee and a State of W1sconsin, have invented a certain new and useful Balancing-Machine, of which the following is a specification.

This invention relates to balancing machines or that class of machines by which the l0 heavy or light side of an object with reference to some axis may be readily and accurately determined.

This invention comprises generally a support for the objectthe balance of which is to be ascertained, means for sustaining said support, and means for rendering said support more or less stable at will. In the drawings which accompany this specification and form a part thereof, and on which the same reference characters are used to designate the same elements wherever they may appear in each of the several views, Figure 1 represents a vertical section through an apparatus embodying this inven- Fig. 2 represents a plan view of the apparatus shown by Fig; 1.

Referring to the drawings, the numeral 1 designates-a tank orany suitable receptacle adapted to contain a fluid, and supported v either above or upon this receptacle, as may be convenient according to the location where the apparatus is to be used, are supporting means consisting, in the example shown, of twoI-beams 2, supported by said tank and spaced somewhat apart. these I-beams are supported the knife edge bearings 3, upon which. rest the hardened Vs 4-, the arrangement being similar to ordinary forms of bearings for weighing scales. The

40 vs 4 may form a part of or be secured to the cross member 5, upon which the collar 6 is adapted to rest the collar 6 being secured to and supporting a pendulous shaft 7, to which is secured a weighted tank or box 8, includinga weight 9, which, as shown by Fig. 1. of the drawings, may be formed in asingle casting cast upon the shaft 7, a cover 10- being provided for the unweighted end of the box. The shaft 7 extends upwardly through the projecting end is mounted the rotatable turntable 11, upon which the object the balance of which to be ascertained, as, for example, a pulley 2, is placed.

The numeral 13 designates a pipe con- United States, residing. at

Upon

.without said receptacle, :1 support for said trolled by the cock 14:, through which fluid, as water, for example, may be admitted to the interior of .tank 1; and the numeral 15 designates a ipe controlled by the cock '16, by which sailv fluid may be permitted to es- 6 0 cape, or may be withdrawn fromthe.interior of tank 1. 1 g The operation of the apparatus is very Z simple and is as follows: A body, as the pulley 12, for instance, being placed upoi i tlie turntable, if one side of the pulley is heaa ie'r than the other, that side of the turntable will be tipped down to a certain extent ideg pendent upon the excess of weight of that side of the pulley and the distance of the'cen-' tcr of gravity of,its mass from the-axis of shaft 7 and the. weight 9. If tl'iwobject placed uponthe turntable produces.neg-appreciable tipping of thetable, water ni'ayibc admitted through pipe 13 into the tank 1,1 and the height of the water in said tank may be varied so that more or less of the effect of the weight 9 in maintaining the turntable stable may be neutralized, the-"amount of stability thus lost being of course equal to the volume of water displaced multiplied by the distance of its center of volume from the knife edges 3; or the water may be allowed to fill the tank so full that with a properly proportioned apparatus the turntable, pulley,.etc., will be floating free and will no longer bear down upon the knife edges 3, with the result that the apparatus has become unstable .to an extent which now dcpends merely upon the unsymmetrical distribution of'weight upon the turntable with relation to the ballasting effect of the weight 9 of the vessel or box It will be understood that the turntable may be revoluble about shaft 7 or be secured thereto and revolve therewith, the shaft and turntable being supported upon the .cross member 5 by means of the collar 6,01 directly by the turntable itself, the collar 6 being omitted.

What I claim is,

1. The combination with a receptacle adapted to contain a liquid, of a turntable 0 u turntable and with respect to which i he turntable is free to tip, a weight secured to said turntable and ada ted to retain it normally in a predetermi'ner position, said weight being located in said receptacle.

2. The combination with a receptacle adapted to contain a liquid, of a turntable, a support for said turntable and with respect.

to which the turntable is freeto tip, a weight secured to said turntable and adapted to retain it normally in a predetermined position, said weight being located in said rece tacle,

and means to supply a fluid to and wit draw itfrom said receptacle.

3. The combination with a receptacle apted to contain a liquid, of a turntable, a pport for said turntable and with respect to which the 1 turntable is free'to tip, a

weighted tank secured to said turntable and adapted to retain it normally ina predeterweighted tank being lomined position, said cated in said receptacle.

4. The combination with a receptacle adapted to contain a liquid, of a turntable, a

support for said turntable and with respect tacle.

In testimony whereof, I afiix my signature in the presence of two witnesses. i

. NORMANiO. BASSETT.

Witnesses:

FRANK E. BENNETT, H. C. OAsn. 

